演说: speech, to deliver a speech...
大自然: nature (the natural world)...
一瞬间: split second...
缺乏: to lack, to be short of, lack, shortage...
机动车: motor vehicle...
外头: outside, out...
棉花: cotton...
吸管: (drinking) straw, pipette, eyedropper, snorkel...
改革: reform, to reform...
回国: to return to one's home country...
